Interesting idea. Could be cool to have a stairway (think walkways similar to those Vegas, only covered?) up to the NW corner of High St and MLK at the bridge so access to the restaurants, shops, art museum, etc. is easier.
There's lots of things nearby there to interest visitors: art galleries, park access (trails, train, Mustill Store, canal, new Schumacher Mill site), food...
It would also be nice if the Innerbelt went back to being a top jazz club, but I'm not sure if that would be economically feasable anymore. A trolley loop (Main/Howard, Furnace, Summit, MLK/Perkins, High) could be another possibility. I know they run one similar to that, but I don't know how regular it is or if it's just for special events.